2S2 



THE BOTTOM OF THE SEA. 



spectators. The explosion, which caused a tremen- 

 dous upheaval of the water and pieces of wreck, 

 accompanied with quantities of sand, was received 

 with acchimations by the spectators, as a demonstra- 

 tion that the expectations of tlie operator had been 



Fig. 56. — Removing an Obstruction by means of a Torpedo. 



fulfilled. This experiment proves that we have, 

 even now, an important addition to our means of 

 removing the debris arising from disasters similar to 

 the above, the number of which has increased 

 greatly of late years. The whole of the wreck may 



